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Experimental study on the permeability and microstructure of remoulded silty clay corroded by landfill leachate

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成果类型:
期刊论文
作者:
Chaofeng Wang;Haijun Lu;Dinggang Li;Jixiang Li
通讯作者:
Lu, H.
作者机构:
School of Civil Engineering and Architecture, Wuhan Polytechnic University, Wuhan, 430023, China
State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, 430071, China
通讯机构:
State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, China
语种:
英文
关键词:
Feldspar;Hydraulic conductivity;Kaolinite;Mechanical permeability;Mica;Microstructure;Mineral exploration;Nuclear magnetic resonance;Organic pollutants;Pollution induced corrosion;Scanning electron microscopy;X ray diffraction;Corrosive environment;Development effect;Infiltration process;Landfill leachates;Macroscopic permeability;Microstructure changes;Mineral composition;X-ray diffraction tests;Leachate treatment;concentration (composition);detection method;experimental study;hydraulic conductivity;kaolinite;landfill;leachate;microstructure;permeability;silty clay;triaxial test
期刊:
Nature Environment and Pollution Technology
ISSN:
0972-6268
年:
2020
卷:
19
期:
3
页码:
1241-1248
基金类别:
This study was financially supported by the “National Natural Science Foundation of China (11672216)”.
机构署名:
本校为第一机构
院系归属:
土木工程与建筑学院
摘要:
This paper explores the macroscopic permeability characteristics, pore distribution, mineral composition, and microstructure changes in remoulded silty clay under different concentrations and different back pressures through flexible-wall triaxial permeability tests, nuclear magnetic resonance tests, X-ray diffraction tests, and scanning electron microscope tests. The results of the flexible-wall triaxial permeability tests indicate that the hydraulic conductivity of the landfill leachate with different concentrations increases to the peak valu...

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